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Aircraft Maintenance Practice Test: Aviation Communication Systems
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Aviation communication systems topics include: DME, VOR, ILS and radar.

Aviation communication has five types: verbal, nonverbal, written, written and graphics, and human-machine and machine-machine communications.

Verbal communication or speech is the most common communication medium used in an aircraft or in the aviation industry.

Related Test: Aircraft Maintenance Practice Test: Radio Shop - Communication Systems in Aviation

Aircraft Maintenance Practice Test: Aviation Communication Systems
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25 Questions

1. What of the following is the lateral component of the ILS?
2. Reflected signals ______ rapidly as distance increases.
3. An active radar system transmits a signal that is reflected back to the receiver.
4. The first Category III Microwave Landing System for civil aviation was commissioned at Stansted airport.
5. Marker beacons operate at a carrier frequency of ________
6. Radar uses ________ waves.
7. How much is the typical time delay after which the aircraft interrogates with the ground transponder?
8. Which of the following frequencies are used by an airplane’s DME interrogator?
9. What is the full form of DME?
10. How many frequencies are defined for DME interrogations and replies?
11. The extremely directional second signal sent by a VOR ground station generally rotates in a clockwise direction in space for about ________ times a second.
12. ICAO characterizes DME transmissions as ___________
13. ILS beams intended for use in one direction only are called __________
14. The localizer provides _________ guidance.
15. The VORs are assigned radio channels between _________
16. DME is functionally identical to the distance measuring component of ___________
17. Which of the following is not an agency that sets standards for DME systems?
18. A typical light-airplane VOR indicator may also be called __________
19. Which of the following systems shares the first 4 MHz from VOR radio channels?
20. What is the full form of RDF?
21. The linear polarization returns usually indicate concrete surfaces.
22. CATIII localizers must cut off within __________ seconds of detecting an error.
23. The channels 108.10, 108.15, 108.30, 108.35 and so on, are reserved for ILS in the US.
24. The Wide Area Augmentation System provides precision guidance to __________ standards.
25. The propagation delay of DME radio signals in the frequency band is timed between ___________

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